drivers/gpu/drm/nouveau/include/nvkm/core/event.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_EVENT_H__
   3 #define __NVKM_EVENT_H__
   4 #include <core/os.h>
   5 struct nvkm_notify;
   6 struct nvkm_object;
   7
   8 struct nvkm_event {
   9         const struct nvkm_event_func *func;
  10
  11         int types_nr;
  12         int index_nr;
  13
  14         spinlock_t refs_lock;
  15         spinlock_t list_lock;
  16         struct list_head list;
  17         int *refs;
  18 };
  19
  20 struct nvkm_event_func {
  21         int  (*ctor)(struct nvkm_object *, void *data, u32 size,
  22                      struct nvkm_notify *);
  23         void (*send)(void *data, u32 size, struct nvkm_notify *);
  24         void (*init)(struct nvkm_event *, int type, int index);
  25         void (*fini)(struct nvkm_event *, int type, int index);
  26 };
  27
  28 int  nvkm_event_init(const struct nvkm_event_func *func, int types_nr,
  29                      int index_nr, struct nvkm_event *);
  30 void nvkm_event_fini(struct nvkm_event *);
  31 void nvkm_event_get(struct nvkm_event *, u32 types, int index);
  32 void nvkm_event_put(struct nvkm_event *, u32 types, int index);
  33 void nvkm_event_send(struct nvkm_event *, u32 types, int index,
  34                      void *data, u32 size);
  35 #endif